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pshichka [43]
2 years ago
7

Do these ratios form a proportion?

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
7 0
Do you want the answer
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Help please! No rush, I'll give brainliest for best answer​
Yanka [14]

9514 1404 393

Answer:

  A

Step-by-step explanation:

Your friendly local graphing calculator or spreadsheet can tell you the quadratic regression equation. It best matches choice A.

5 0
3 years ago
3. Are these ratios equivalent? 35:28 and 10:8 *
attashe74 [19]

Reduce each ratio to its minimum expression to find if they are equal.

35:28

\begin{gathered} \frac{35}{28}=\frac{7\cdot5}{7\cdot4} \\ =\frac{5}{4} \end{gathered}

10:8

\begin{gathered} \frac{10}{8}=\frac{2\cdot5}{2\cdot4} \\ =\frac{5}{4} \end{gathered}

Since both ratios reduce to 5:4, they are equivalent.

Another way to check a:b is equivalent to c:d, is that a*d = b*c

In this case, this will be true if 35 times 8 is equal to 10 times 28:

\begin{gathered} 35\cdot8=280 \\ 10\cdot28=280 \end{gathered}

Since both products are equal, then the ratios are equivalent.

4 0
10 months ago
How many is a couple????Help!!
ruslelena [56]
A couple is 2. Hope this helps.
5 0
3 years ago
Read 2 more answers
Find the inner product for (3,1,4)*(2,8,2) and state whether the vectors are perpendicular.
faltersainse [42]

Good evening ,

Answer:

<h2>•• Inner product = 3×2 + 1×8 + 4×2 = 22</h2><h2 /><h2>•• since 22 ≠ 0 then  the vectors are not perpendicular.</h2>

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5 0
3 years ago
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What is 2(x - 9) = 10?
TiliK225 [7]

Answer:

x=14

Step-by-step explanation:

2 times x = 2x and 2 time 9 is 18 so the equation is 2x-18=10. then you add 18 to both sides and get 2x=28 then simplify to x=14

7 0
2 years ago
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